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Enhance the beauty of your landscape with Keystone Legacy Stone! Perfect for the do-it-yourselfer, Legacy Stone is made of high-strength, low absorption concrete that provides a permanent, environmentally safe retaining wall option. The rewards of installing Legacy Stone will lasts for many years. No special tools are required. Keystone Legacy Stone is also known as Rampart in certain areas of the country. |
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Product size, weight, color and product |
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| *Maximum wall height = 3 feet |
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Use this guide for estimating the number of Keystone Legacy Stone units required.
WALL HEIGHT* |
WALL LENGTH (measured at wall face including curves) | |||||
| 6' | 12' | 18' | 24' | 30' | 36' | |
| 6" (1 course) | 5 | 9 | 14 | 18 | 23 | 27 |
| 12" (2 courses) | 10 | 18 | 28 | 36 | 46 | 54 |
| 18" (3 courses) | 15 | 27 | 42 | 54 | 69 | 81 |
| 24" (4 courses) | 20 | 36 | 56 | 72 | 92 | 108 |
| 30" (5 courses) | 25 | 45 | 70 | 90 | 115 | 135 |
| 36" (6 courses) | 30 | 54 | 84 | 104 | 138 | 162 |
| *Please Note: The Keystone Legacy units were designed for unreinforced wall heights no greater than 3’-0” (91 cm) high with compacted sand or gravel backfill and level grade above and below wall. Design assumes no surcharge loads.Wall height is measured from top of leveling pad. The estimating chart provides for the number of units based on selected height and length of wall. For taller wall applications, contact your local KEYSTONE Representative for design, product and reinforcing options. |
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| STEP 1 | Prepare the leveling pad and set the base course. | STEP 2 | Place & compact backfill material. | STEP 3 | Install additional courses. |
| Dig a shallow trench for wall base. Place granular leveling pad material. Compact and level the base pad. Place and level the first course units. If grade changes along base of wall, create stepped leveling pad as required. Always start wall at lowest elevation, working to highest. Complete base course before proceeding with additional courses. | Backfill first course units with clean granular fill material (i.e. crushed stone/gravel). DO NOT USE PEA GRAVEL! Compact with hand tamper or appropriate mechanical compactor. Backfill and compact behind each course before installing additional courses. | Starting at straight wall area, place units centered over joint of units below to form a running bond pattern. Build through curves in similar manner.
Note: At curves, (convex & concave) course bonding will adjust sideways. If stack bond occurs, remove rear interlock lip as shown or cut units accordingly to get back to running bond. |
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| Remove Edges - To remove outside lugs or edges of retaining lip, hold unit securely or place at angle on ground. Strike the lug firmly with a hammer. Cutting the units may also be necessary to keep the them on bond. Always wear safety glasses to protect eyes from chips. | ||
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Click on a unit to view its' 360° view. |  |
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